COOK pasta in large saucepan as directed on package, omitting salt and adding broccoli to boiling water for the last 2 min.
MEANWHILE, cook chicken and tomatoes in large skillet on medium-high heat 5 to 6 min. or until chicken is done, stirring frequently.
DRAIN pasta. Add to chicken mixture with broth and whipping cream to skillet; mix well. Cook and stir on medium-low heat 5 min. or until sauce is slightly thickened. Add steak sauce; cook 1 to 2 min. or until heated through. Sprinkle with cheese.